This will appear. You will see many
options. These options represent various types of tests that you can
conduct. Select at least one option from the Equal Variances Assumed area
and at least one option from the Equal Variances Not Assumed area. To select
an option, click on the box next to the name and a check will appear.

For this example experiment, I will
choose Tukey from the Equal Variances Assumed area. That is a popular
choice. I will choose Dunnett’s T3 from the Equal Variances not Assumed
area. Your professor may ask you to choose a different test and that’s ok
too. These tests vary in terms of how strict they are. Click the Continue
button when you are finished.